Notice: Undefined variable: _SESSION in D:\Apache24\htdocs\wechat\php\khyy.php on line 11
Fatal error: Uncaught Error: Call to undefined function pdo_fetch() in D:\Apache24\htdocs\wechat\php\khyy.php:13
Stack trace:
#0 {main}
thrown in D:\Apache24\htdocs\wechat\php\khyy.php on line 13